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Finding the Fourth Proportional to 62,697.65, 94,051.94 and 20,565.09

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Solution

The fourth proportional to 62,697.65, 94,051.94 and 20,565.09 is: 30,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,697.65 : 94,051.94 = 20,565.09 : x
  2. Step 2: Convert to fraction form
    62,697.65/94,051.94 = 20,565.09/x
  3. Step 3: Cross multiply
    62,697.65x = 94,051.94 × 20,565.09
  4. Step 4: Simplify right side
    62,697.65x = 1,934,186,507.95
  5. Step 5: Solve for x
    x = 1,934,186,507.95/62,697.65
  6. Step 6: Final answer
    x = 30,849.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.